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NOAA Photo Library Image - ship4014

Figure 13. R. Bertel's spectograph invented by Rudolph Bertel in 1910. This instrument was designed to study the penetration of the various wavelegths of light into the waters off Monaco. The first test of this instrument was aboard the EIDER off Monaco in 1911 in 500 to 600 meters water depth.

Image ID: ship4014, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Photographer: P. Roggero
Credit: Oceanographic Museum of Monaco

Category: Oceanography/Historical instruments/

High Resolution Photo Available

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Last Updated:
June 10, 2016